scons: Require SWIG >= 2.0.4 and remove vector typemaps

SWIG commit fd666c1 (*) made it unnecessary for gem5 to have these
typemaps to handle Vector types.

* https://github.com/swig/swig/commit/fd666c1440628a847793bbe1333c27dfa2f757f0

1 files changed, 1 insertions, 12 deletions

diff --git a/SConstruct b/SConstruct
index a1aad32d4..4df529b83 100755
--- a/SConstruct
+++ b/SConstruct
@@ -726,23 +726,12 @@ if len(swig_version) < 3 or \
     print 'Error determining SWIG version.'
     Exit(1)
 
-min_swig_version = '1.3.34'
+min_swig_version = '2.0.4'
 if compareVersions(swig_version[2], min_swig_version) < 0:
     print 'Error: SWIG version', min_swig_version, 'or newer required.'
     print '       Installed version:', swig_version[2]
     Exit(1)
 
-# Older versions of swig do not play well with more recent versions of
-# gcc due to assumptions on implicit includes (cstddef) and use of
-# namespaces
-if main['GCC'] and compareVersions(gcc_version, '4.6') > 0 and \
-        compareVersions(swig_version[2], '2') < 0:
-    print '\n' + termcap.Yellow + termcap.Bold + \
-        'Warning: SWIG 1.x cause issues with gcc 4.6 and later.\n' + \
-        termcap.Normal + \
-        'Use SWIG 2.x to avoid assumptions on implicit includes\n' + \
-        'and use of namespaces\n'
-
 # Set up SWIG flags & scanner
 swig_flags=Split('-c++ -python -modern -templatereduce $_CPPINCFLAGS')
 main.Append(SWIGFLAGS=swig_flags)